A good earner (Silver) Find and shoot all the hidden objects in the game in solo mode.
Bloodchopped (Silver) Kill Bloodshot avoiding all his melee attacks and slapping his face everytime you can.
Capo (Gold) Complete the last level in Crazytrain difficulty.
Down boy (Bronze) Kill 20 enemies with a chihuahua on your leg in solo mode.
Entered the Dragon (Bronze) Complete level 1 in solo mode.
Headhunter (Bronze) Perform 3,000 headshots in solo mode.
Keep quiet (Bronze) Kill the screaming enemy in all levels in solo mode.
Made man (Bronze) Complete the last level in solo mode.
Nutcracker (Bronze) Perform 200 nutshots in solo mode.
Robbed the grave (Bronze) Kill Teniu the Grave, dodging all the crates.
Sik, Bro (Bronze) Kill Kim Bong Sik, without getting hit by his projectiles.
This thing of ours (Bronze) Complete level 1 in co-op mode.
Wiseguy (Silver) Get a 4 Star global ranking at the end of all levels in solo mode.